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// Copyright 2017 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.rules.genrule;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.ActionEnvironment;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionOwner;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.CommandLineExpansionException;
import com.google.devtools.build.lib.actions.CommandLines;
import com.google.devtools.build.lib.actions.CommandLines.CommandLineLimits;
import com.google.devtools.build.lib.actions.ExecException;
import com.google.devtools.build.lib.actions.ResourceSet;
import com.google.devtools.build.lib.actions.RunfilesSupplier;
import com.google.devtools.build.lib.actions.SpawnResult;
import com.google.devtools.build.lib.analysis.actions.SpawnAction;
import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import java.util.List;
/**
* A spawn action for genrules. Genrules are handled specially in that inputs and outputs are
* checked for directories.
*/
@AutoCodec
public class GenRuleAction extends SpawnAction {
private static final ResourceSet GENRULE_RESOURCES =
// Not chosen scientifically/carefully. 300MB memory, 100% CPU, no I/O.
ResourceSet.createWithRamCpuIo(300, 1.0, 0.0);
public GenRuleAction(
ActionOwner owner,
Iterable<Artifact> tools,
Iterable<Artifact> inputs,
Iterable<Artifact> outputs,
CommandLines commandLines,
ActionEnvironment env,
ImmutableMap<String, String> executionInfo,
RunfilesSupplier runfilesSupplier,
CharSequence progressMessage) {
super(
owner,
tools,
inputs,
outputs,
Iterables.getFirst(outputs, null),
GENRULE_RESOURCES,
commandLines,
CommandLineLimits.UNLIMITED,
false,
env,
executionInfo,
progressMessage,
runfilesSupplier,
"Genrule",
false,
null);
}
@Override
protected List<SpawnResult> internalExecute(ActionExecutionContext actionExecutionContext)
throws ExecException, InterruptedException {
EventHandler reporter = actionExecutionContext.getEventHandler();
checkInputsForDirectories(reporter, actionExecutionContext.getMetadataProvider());
List<SpawnResult> spawnResults = ImmutableList.of();
try {
spawnResults = super.internalExecute(actionExecutionContext);
} catch (CommandLineExpansionException e) {
throw new AssertionError("GenRuleAction command line expansion cannot fail");
}
checkOutputsForDirectories(actionExecutionContext);
return spawnResults;
}
}
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